1108009889 has 8 divisors (see below), whose sum is σ = 1321353600. Its totient is φ = 908430336.

The previous prime is 1108009823. The next prime is 1108009897. The reversal of 1108009889 is 9889008011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1108009889 - 2⁸ = 1108009633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1108009589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3440864 + ... + 3441185.

It is an arithmetic number, because the mean of its divisors is an integer number (165169200).

Almost surely, 2^1108009889 is an apocalyptic number.

It is an amenable number.

1108009889 is a deficient number, since it is larger than the sum of its proper divisors (213343711).

1108009889 is an equidigital number, since it uses as much as digits as its factorization.

1108009889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882079.

The product of its (nonzero) digits is 41472, while the sum is 44.

The square root of 1108009889 is about 33286.7824969612. The cubic root of 1108009889 is about 1034.7796489218.

The spelling of 1108009889 in words is "one billion, one hundred eight million, nine thousand, eight hundred eighty-nine".